 | Robert Gibson - 1821 - 594 halaman
...between the line so run and the corner, then, As the length of the whole line Is to 57.3 degrees,* 8o is the said distance To the difference of variation...it be required to run a line which some years ago boi>e NE. 45°, distance 80 perches, and in running this line by the given bearing, the corner is found... | |
 | John Gummere - 1828 - 404 halaman
...line, Is to the said distance ; So is 57.3 degrees,* To the difference of variation required. EXAMPLES. Suppose it be required to run a line, which some years ago bore N. 45° E. dist. 20 ch. and in running this line by the given bearing, the corner is found 20 links to the left... | |
 | Robert Gibson - 1832 - 290 halaman
...line so run and the comer, then, v /^-i- * ' A» the length of the whole line \'*— J****^degreeS)* 9 So is the said distance To the difference of variation...be required to run a line which some years ago bore NE. 45°, distance 80 perches, and in running this line by the given bearing, the comer is found 20... | |
 | Robert Gibson - 1833 - 436 halaman
...and observe the nearest distance be. tween the line so run and the corner, then, As the length of the whole line Is to 57.3 degrees,* So is the said distance...be required to run a line which some years ago bore NE. 45°, [distance 80 perches, and in running this line by the given bearing, the comer is found 20... | |
 | Abel Flint - 1835 - 368 halaman
...between the line so run, and the corner ; and then work the following proportion : As THE LENGTH OF THE WHOLE LINE, Is TO 57.3 DEGREES,* So IS THE SAID DISTANCE,...to run a line, which, some years ago, bore N. 45° £., distance 20 chains, and in running this * 57.3 degrees is the radius of a circle (nearly) in such... | |
 | Abel Flint - 1835 - 366 halaman
...between the line so run, and the corner ; and then work the following proportion : As THE LENGTH OF THE WHOLE LINE, Is TO 57.3 DEGREES,* So IS THE SAID DISTANCE,...To THE DIFFERENCE OF VARIATION REQUIRED. EXAMPLE. 4 Suppose it be required to run a line, which, some years ago, bore N. 45° E., distance 20 chains,... | |
 | Abel Flint - 1837 - 338 halaman
...between the line so run, and the corner ; and then work the following proportion : As THE LENGTH OF THE WHOLE LINE, Is TO 57.3 DEGREES,* So IS THE SAID DISTANCE,...REQUIRED. EXAMPLE. Suppose it be required to run a lme, which, some years ago, bore N. 45° E., distance 20 chains, and in running this line by the given... | |
 | Abel Flint - 1839 - 340 halaman
...between the line so run, and the corner ; and then work the following proportion : As THE LENGTH OF THE WHOLE LINE, Is TO 57.3 DEGREES,* So IS THE SAID DISTANCE,...N. 45° E., distance 20 chains, and in running this APPENDIX. 85 line by the given bearing, the corner is found 20 links to the left hand; what is the... | |
 | John Gummere - 1840 - 450 halaman
...corner ; then, As the length of the given line, Is to the said distance ; So is 57.3 degrees.* To tlje difference of variation required. EXAMPLE. • Suppose...to run a line, which some years ago bore N. 45° E. dist. 20 ch. and in running this line by the given bearing, the comer is found 20 links to the left... | |
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But if trees, hills, &c. obstruct the view of the object, run the line according to the given bearing, and observe the nearest distance between the line so run and the corner, then, As the length of the whole line Is to 57.3 degrees,* 8o is the said distance... 
